Fertility-sparing surgery for presumed early-stage invasive cervical cancer: a survey of practice in the United Kingdom. - Tzafetas, M; Mitra, A; Kalliala, I; Lever, S; Fotopoulou, C; Farthing, A; Smith, JR; Martin-Hirsch, P; Paraskevaidis, E; Kyrgiou, M (Anticancer Research, 2018)